Dr. Gregory Marra, MD
- Medicare services, 2024
- 216
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 5,856
- Hospital affiliations
- 3
- Industry payments
- $11,792
- Practice address
- 5959 Big Tree Road Ste 100, Orchard Park, NY 14127
- Practice phone
- Call (716) 859-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southtowns Surgery Center
Surgery Center - Medicare-Certified · Orchard Park, New York
Find Dr. Marra's professional email, personal email and mobile number
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Dr. Gregory Marra is a family medicine physician in Orchard Park, New York
Dr. Marra practices at Southtowns Surgery Center in Orchard Park, New York.
Dr. Marra's NPI, 1275997140, was assigned on April 7, 2016. Dr. Marra graduated from Universidad de Guadalajara in 2012. Dr. Marra holds New York license 300973.
- NPI
- 1275997140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557656873
- NPI enumeration date
- April 7, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 859-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Marra practices at Southtowns Surgery Center in Orchard Park, New York
Dr. Marra's primary practice is Southtowns Surgery Center, at 5959 Big Tree Road Ste 100, Orchard Park, NY 14127. The practice phone is (716) 859-5600.
- Southtowns Surgery Center5959 Big Tree Road Ste 100, Orchard Park, NY 14127Phone(716) 859-5600
Source: Dmand AI Affiliation Data
Dr. Gregory Marra is affiliated with 6 sites of care and 2 medical groups
Dr. Marra's primary practice is Southtowns Surgery Center in Orchard Park, New York. Dr. Marra is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Mercy Hospital of Buffalo. Dmand AI also links Dr. Marra to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Marra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marra practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southtowns Surgery Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Marra is one of 5,260 family medicine physicians in New York
Family medicine is Dr. Marra's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marra is licensed in New York.
Specialties and state licenses
- Family medicine, New YorkPrimary
Family medicine physicians near Dr. Marra
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Marra billed Medicare for 216 services in 2024
CMS data shows 216 Medicare services from Dr. Marra across 5 procedure codes in 2024, for 112 Medicare patients. Medicare paid $15,596 for them.
Dr. Marra's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1822024: 13426%
- Other services
- 2023: 652024: 5122%
- Lab and pathology
- 2023: 432024: 3128%
Where Dr. Marra's Medicare services took place, 2024
- In an office18787%
- In a facility2913%
Dr. Marra compared with the New York median for family medicine physicians, 2024
- Dr. Marra
- New York median
- Medicare services
- 216vs 31832% below
- Medicare patients
- 112vs 12913% below
- Part D claims
- 5,181vs 1,0724.8 times
Medians across 5,237 family medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Marra's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marra and other family medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Marra treated 112 Medicare patients in 2024, average age 70
CMS counts 112 Medicare patients who saw Dr. Marra in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marra's median patient age at 53, with 33% women.
Dr. Marra's Medicare patients by age, 2024
Dr. Marra's Medicare patients by sex, 2024
- Women4843%
- Men6457%
Chronic conditions among Dr. Marra's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis42%
- Diabetes36%
- Anxiety29%
- Ischemic heart disease29%
- Mood disorders28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women33%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Marra wrote 5,856 Medicare Part D claims in 2024
In 2024, Dr. Marra wrote 5,856 Medicare Part D claims for 647 patients. 85% of them were for generic drugs. CMS names the drug for 5,181 of them, across 107 drugs with 11 or more claims each, at $578,281 in total drug cost. In 2023, CMS named 4,827 claims across 97 drugs.
Dr. Marra's Part D claims by kind of drug, 2024
- Generic4,988 claims85%
- Brand-name819 claims14%
- Other49 claims1%
Dr. Marra's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Marra's Part D claims, 2024
- Opioids1%37 of 5,856 claims
- Antibiotics3%157 of 5,856 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8272024: 5,1817%
Drugs named by CMS: 107 in 2024, 97 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Marra takes part in Medicare
Dr. Marra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Marra received $11,792 in industry payments from 2019 to 2025
CMS Open Payments shows 571 general payments to Dr. Marra from 53 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,482.
General payments to Dr. Marra by program year, 2019 to 2025
Companies that paid Dr. Marra the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Marra graduated from Universidad de Guadalajara
Dr. Marra graduated from Universidad de Guadalajara in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Marra's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Marra
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Marra's NPI number?
Dr. Gregory Marra's NPI number is 1275997140. It was assigned on April 7, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Marra?
Dr. Gregory Marra is a family medicine physician in Orchard Park, New York. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gregory Marra practice?
Dr. Marra practices at 5959 Big Tree Road Ste 100, Orchard Park, NY 14127. Dr. Marra's primary practice is Southtowns Surgery Center in Orchard Park, New York. Dmand AI also links Dr. Marra to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Gregory Marra's office phone number?
The practice phone on file for Dr. Marra is (716) 859-5600.
What is Dr. Gregory Marra's medical license number?
Dr. Marra holds New York license 300973.
Which hospitals is Dr. Gregory Marra affiliated with?
Dr. Marra is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Marra to 2 more hospitals.
What medical group is Dr. Gregory Marra part of?
Dr. Marra is linked to Mercy Hospital of Buffalo. Dmand AI links Dr. Marra to 1 more medical group.
Does Dr. Gregory Marra accept Medicare?
Yes. CMS data shows Dr. Marra billed Medicare for 216 services in 2024, and Dr. Marra accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Marra see?
CMS counts 112 Medicare patients who saw Dr. Marra in 2024, with an average age of 70.
What services does Dr. Gregory Marra bill to Medicare?
In 2024, Dr. Marra's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
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Where did Dr. Gregory Marra go to medical school?
Dr. Marra graduated from Universidad de Guadalajara in 2012.
What drugs does Dr. Gregory Marra prescribe most?
In 2024 Medicare Part D data, Dr. Marra's most prescribed drugs by claims were Rosuvastatin Calcium, Lisinopril and Atorvastatin Calcium.
Has Dr. Gregory Marra received payments from drug or device companies?
CMS Open Payments shows $11,792 in general payments to Dr. Marra from 53 companies from 2019 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gregory Marra been practicing?
Dr. Marra graduated from medical school in 2012, 14 years ago.
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